"Madiba we love you" is a constant theme among the messages on the wall, referring to the former South African leader by his clan name
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Mandela supporters head to Pretoria as Zuma cancels trip

26 June 2013 Last updated at 23:02 BST

The South African President, Jacob Zuma, has announced that he is cancelling a planned visit to Mozambique after visiting Nelson Mandela in hospital.

President Zuma said the former president remains in a critical condition.

Mr Zuma was briefed by doctors who were doing everything possible to ensure Mr Mandela's well-being, a statement said.

Karen Allen reports from outside the hospital in Pretoria where well-wishers have covered the walls and fences with messages of support.